![Building Terminal Series](https://comtestnetworks.com/storage/images/20210205-120128-a-500x500_1612564045-250-square.png)
The CNI Building Entrance Terminal uses standard 5-pin protector modules to provide over-voltage protection from harmful transient voltage surges such as lightning and power cross transients for circuits being provided on twisted pair.
The CNI Building Entrance Terminal uses standard 5-pin protector modules to provide over-voltage protection from harmful transient voltage surges such as lightning and power cross transients for circuits being provided on twisted pair.